source file of the GNU LilyPond music typesetter
- (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "engraver.hh"
#include "context.hh"
-#include "grob-pitch-tuple.hh"
#include "international.hh"
#include "item.hh"
#include "note-head.hh"
#include "protected-scm.hh"
#include "spanner.hh"
#include "staff-symbol-referencer.hh"
+#include "stream-event.hh"
#include "tie-column.hh"
#include "tie.hh"
#include "warn.hh"
+#include "translator.icc"
+
/**
Manufacture ties. Acknowledge noteheads, and put them into a
priority queue. If we have a TieEvent, connect the notes that finish
struct Head_event_tuple
{
Grob *head_;
+ Moment end_moment_;
SCM tie_definition_;
- Music *event_;
+ Stream_event *tie_stream_event_;
+ Stream_event *tie_event_;
+
Head_event_tuple ()
{
- }
- Head_event_tuple (Grob *h, Music *m, SCM def)
- {
- head_ = h;
- event_ = m;
- tie_definition_ = def;
+ head_ = 0;
+ tie_definition_ = SCM_EOL;
+ tie_event_ = 0;
+ tie_stream_event_ = 0;
}
};
class Tie_engraver : public Engraver
{
- Music *event_;
- Link_array<Grob> now_heads_;
- std::vector<Head_event_tuple> heads_to_tie_;
- Link_array<Grob> ties_;
+ Stream_event *event_;
+ vector<Grob*> now_heads_;
+ vector<Head_event_tuple> heads_to_tie_;
+ vector<Grob*> ties_;
Spanner *tie_column_;
virtual void derived_mark () const;
void start_translation_timestep ();
DECLARE_ACKNOWLEDGER (note_head);
- virtual bool try_music (Music *);
+ DECLARE_TRANSLATOR_LISTENER (tie);
void process_music ();
void typeset_tie (Grob *);
public:
tie_column_ = 0;
}
-bool
-Tie_engraver::try_music (Music *mus)
+IMPLEMENT_TRANSLATOR_LISTENER (Tie_engraver, tie);
+void
+Tie_engraver::listen_tie (Stream_event *ev)
{
- if (mus->is_mus_type ("tie-event"))
- event_ = mus;
-
- return true;
+ ASSIGN_EVENT_ONCE (event_, ev);
}
void
Tie_engraver::process_music ()
{
- if (event_)
+ bool busy = event_;
+ for (vsize i = 0; !busy && i < heads_to_tie_.size (); i++)
+ busy |= (heads_to_tie_[i].tie_event_
+ || heads_to_tie_[i].tie_stream_event_);
+
+ if (busy)
context ()->set_property ("tieMelismaBusy", SCM_BOOL_T);
}
Tie_engraver::acknowledge_note_head (Grob_info i)
{
Grob *h = i.grob ();
+
now_heads_.push_back (h);
for (vsize i = heads_to_tie_.size (); i--;)
{
Grob *th = heads_to_tie_[i].head_;
- Music *right_mus = unsmob_music (h->get_property ("cause"));
- Music *left_mus = unsmob_music (th->get_property ("cause"));
+ Stream_event *right_ev = unsmob_stream_event (h->get_property ("cause"));
+ Stream_event *left_ev = unsmob_stream_event (th->get_property ("cause"));
/*
maybe should check positions too.
*/
- if (right_mus && left_mus
- && ly_is_equal (right_mus->get_property ("pitch"),
- left_mus->get_property ("pitch")))
+ if (!right_ev || !left_ev)
+ continue;
+
+ if (ly_is_equal (right_ev->get_property ("pitch"),
+ left_ev->get_property ("pitch")))
{
- Grob *p = new Spanner (heads_to_tie_[i].tie_definition_,
- context ()->get_grob_key ("Tie"));
- announce_grob (p, heads_to_tie_[i].event_->self_scm ());
+ Grob *p = new Spanner (heads_to_tie_[i].tie_definition_);
+
+ SCM cause = heads_to_tie_[i].tie_event_
+ ? heads_to_tie_[i].tie_event_->self_scm ()
+ : heads_to_tie_[i].tie_stream_event_->self_scm ();
+
+ announce_grob (p, cause);
Tie::set_head (p, LEFT, th);
Tie::set_head (p, RIGHT, h);
+
+ if (is_direction (unsmob_stream_event (cause)->get_property ("direction")))
+ {
+ Direction d = to_dir (unsmob_stream_event (cause)->get_property ("direction"));
+ p->set_property ("direction", scm_from_int (d));
+ }
+
ties_.push_back (p);
- heads_to_tie_.del (i);
+ heads_to_tie_.erase (heads_to_tie_.begin () + i);
}
}
{
context ()->set_property ("tieMelismaBusy",
ly_bool2scm (heads_to_tie_.size ()));
+
+ if (heads_to_tie_.size () && !to_boolean (get_property ("tieWaitForNote")))
+ {
+ Moment now = now_mom ();
+ for (vsize i = heads_to_tie_.size (); i--; )
+ {
+ if (now > heads_to_tie_[i].end_moment_)
+ heads_to_tie_.erase (heads_to_tie_.begin () + i);
+ }
+ }
}
void
Tie_engraver::stop_translation_timestep ()
{
+ bool wait = to_boolean (get_property ("tieWaitForNote"));
if (ties_.size ())
{
- if (!to_boolean (get_property ("tieWaitForNote")))
+ if (!wait)
heads_to_tie_.clear ();
for (vsize i = 0; i < ties_.size (); i++)
- typeset_tie (ties_[i]);
+ typeset_tie (ties_[i]);
ties_.clear ();
tie_column_ = 0;
}
- if (event_)
+ vector<Head_event_tuple> new_heads_to_tie;
+
+ for (vsize i = 0; i < now_heads_.size (); i++)
{
- SCM start_definition
- = updated_grob_properties (context (), ly_symbol2scm ("Tie"));
-
- if (!to_boolean (get_property ("tieWaitForNote")))
- heads_to_tie_.clear ();
+ Grob *head = now_heads_[i];
+ Stream_event *left_ev
+ = unsmob_stream_event (head->get_property ("cause"));
- for (vsize i = 0; i < now_heads_.size (); i++)
+ if (!left_ev)
{
- heads_to_tie_.push_back (Head_event_tuple (now_heads_[i], event_,
- start_definition));
+ // may happen for ambituses
+ continue;
+ }
+
+
+ SCM left_articulations = left_ev->get_property ("articulations");
+
+ Stream_event *tie_event = 0;
+ Stream_event *tie_stream_event = event_;
+ for (SCM s = left_articulations;
+ !tie_event && !tie_stream_event && scm_is_pair (s);
+ s = scm_cdr (s))
+ {
+ Stream_event *ev = unsmob_stream_event (scm_car (s));
+ if (!ev)
+ continue;
+
+ if (ev->in_event_class ("tie-event"))
+ tie_event = ev;
+ }
+
+ if (left_ev && (tie_event || tie_stream_event))
+ {
+ Head_event_tuple event_tup;
+
+ SCM start_definition
+ = updated_grob_properties (context (), ly_symbol2scm ("Tie"));
+
+ event_tup.head_ = head;
+ event_tup.tie_definition_ = start_definition;
+ event_tup.tie_event_ = tie_event;
+ event_tup.tie_stream_event_ = tie_stream_event;
+
+ Moment end = now_mom ();
+ if (end.grace_part_)
+ {
+ end.grace_part_ += get_event_length (left_ev).main_part_;
+ }
+ else
+ {
+ end += get_event_length (left_ev);
+ }
+ event_tup.end_moment_ = end;
+
+ new_heads_to_tie.push_back (event_tup);
}
}
+ if (!wait && new_heads_to_tie.size ())
+ heads_to_tie_.clear ();
+
+ // hmmm, how to do with copy () ?
+ for (vsize i = 0; i < new_heads_to_tie.size (); i++)
+ heads_to_tie_.push_back (new_heads_to_tie[i]);
+
event_ = 0;
now_heads_.clear ();
}
sp->set_bound (RIGHT, new_head_drul[RIGHT]);
}
-#include "translator.icc"
-
ADD_ACKNOWLEDGER (Tie_engraver, note_head);
ADD_TRANSLATOR (Tie_engraver,
- /* doc */ "Generate ties between noteheads of equal pitch.",
+ /* doc */
+ "Generate ties between note heads of equal pitch.",
+
/* create */
"Tie "
- "TieColumn",
+ "TieColumn ",
+
+ /* read */
+ "tieWaitForNote ",
- /* accept */ "tie-event",
- /* read */ "tieWaitForNote",
- /* write */ "tieMelismaBusy");
+ /* write */
+ "tieMelismaBusy "
+ );